137664480 has 48 divisors (see below), whose sum is σ = 433644624. Its totient is φ = 36710400.

The previous prime is 137664473. The next prime is 137664497. The reversal of 137664480 is 84466731.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142921 + ... + 143880.

It is an arithmetic number, because the mean of its divisors is an integer number (9034263).

Almost surely, 2^137664480 is an apocalyptic number.

137664480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137664480 is an abundant number, since it is smaller than the sum of its proper divisors (295980144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137664480 is a wasteful number, since it uses less digits than its factorization.

137664480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286819 (or 286811 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 137664480 is about 11733.0507541730. The cubic root of 137664480 is about 516.3457810938.

It can be divided in two parts, 1376 and 64480, that added together give a palindrome (65856).

The spelling of 137664480 in words is "one hundred thirty-seven million, six hundred sixty-four thousand, four hundred eighty".